<template>
  <el-container style="min-height: 100vh">
    <el-aside width="sideWidth +'px'"
              style="background-color: rgb(238, 241, 246); box-shadow: 2px 0px 6px rgba(0,21,41,0.35);">
      <el-menu :default-openeds="['1', '3']" style="min-height: 100%; overflow-x: hidden; "
               background-color="rgb(48, 65, 86)"
               text-color="#fff"
               active-text-color="#ffd04b"
               :collapse-transition="false"
               :collapse="isCollapse"
      >
        <div style="height: 60px; line-height: 60px; text-align: center">
          <img src="../assets/logo.png" style="width: 20px; position: relative; top: 5px; margin-right: 5px">
          <b style="color: white" v-show="logoTextShow">后台管理系统</b>
        </div>
        <el-submenu index="1">
          <template slot="title">
            <i class="el-icon-message"></i>
            <span slot="title">导航一</span>
          </template>
          <el-menu-item-group>
            <template slot="title">分组一</template>
            <el-menu-item index="1-1">选项1</el-menu-item>
            <el-menu-item index="1-2">选项2</el-menu-item>
          </el-menu-item-group>
          <el-menu-item-group title="分组2">
            <el-menu-item index="1-3">选项3</el-menu-item>
          </el-menu-item-group>
          <el-submenu index="1-4">
            <template slot="title">选项4</template>
            <el-menu-item index="1-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="2">
          <template slot="title">
            <i class="el-icon-menu"></i>
            <span slot="title">导航二</span>
          </template>

          <el-submenu index="2-4">
            <template slot="title">选项4</template>
            <el-menu-item index="2-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
        <el-submenu index="3">
          <template slot="title">
            <i class="el-icon-setting"></i>
            <span slot="title">导航一</span>
          </template>
          <el-submenu index="3-4">
            <template slot="title">选项4</template>
            <el-menu-item index="3-4-1">选项4-1</el-menu-item>
          </el-submenu>
        </el-submenu>
      </el-menu>
    </el-aside>

    <el-container>
      <el-header style="font-size: 12px; border-bottom: 1px solid #ccc; line-height: 60px; display: flex">
        <div style="flex: 1; font-size: 20px">
          <span :class="collapseBtnClass" style="cursor: pointer" @click="collapse"></span>
        </div>
        <el-dropdown style="width: 70px; cursor: pointer ">
          <span>王小虎</span><i class="el-icon-arrow-down" style="margin-left: 5px"></i>
          <el-dropdown-menu slot="dropdown">
            <el-dropdown-item>个人信息</el-dropdown-item>
            <el-dropdown-item>退出</el-dropdown-item>
          </el-dropdown-menu>
        </el-dropdown>
      </el-header>

      <el-main>
        <div style="margin-bottom: 30px">
          <el-breadcrumb separator="/">
            <el-breadcrumb-item :to="{ path: '/' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
          </el-breadcrumb>
        </div>
        <div style="padding: 10px 0">
          <el-input style="width: 200px" suffix-icon="el-icon-search" placeholder="请输入名称" v-model="username"></el-input>
          <el-input style="width: 200px" suffix-icon="el-icon-message" placeholder="请输入邮箱" class="ml-5"
                    v-model="email"></el-input>
          <el-input style="width: 200px" suffix-icon="el-icon-position" placeholder="请输入地址" class="ml-5"
                    v-model="address"></el-input>
          <el-button class="ml-5" type="primary" @click="load">搜索</el-button>
          <el-button type="warning" @click="reset">重置</el-button>
        </div>

        <div style="padding: 10px 0">
          <el-button type="primary" @click="handleAdd">新增 <i class="el-icon-circle-plus-outline"></i></el-button>
          <el-popconfirm
                  class="ml-5"
                  confirm-button-text='确定'
                  cancel-button-text='我再想想'
                  icon="el-icon-info"
                  icon-color="red"
                  title="您确定批量删除这些数据吗？"
                  @confirm="delBatch"
          >
            <el-button type="danger" slot="reference">批量删除 <i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>
          <el-button type="primary" class="ml-5">导入 <i class="el-icon-bottom"></i></el-button>
          <el-button type="primary">导出 <i class="el-icon-top"></i></el-button>
        </div>
        <el-table :data="tableData" border stripe header-cell-class-name="headerBg" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="55"></el-table-column>
          <el-table-column prop="id" label="ID" width="80"></el-table-column>
          <el-table-column prop="username" label="用户名" width="140"></el-table-column>
          <el-table-column prop="nickname" label="昵称" width="120"></el-table-column>
          <el-table-column prop="email" label="邮箱" width="120"></el-table-column>
          <el-table-column prop="phone" label="电话" width="120"></el-table-column>
          <el-table-column prop="address" label="地址"></el-table-column>
          <el-table-column label="操作" width="200" align="center">
            <template slot-scope="scope">
              <el-button type="success" @click="handleEdit(scope.row)">编辑 <i class="el-icon-edit"></i></el-button>
              <el-popconfirm
                      class="ml-5"
                      confirm-button-text='确定'
                      cancel-button-text='我再想想'
                      icon="el-icon-info"
                      icon-color="red"
                      title="您确定删除吗？"
                      @confirm="del(scope.row.id)"
              >
                <el-button type="danger" slot="reference">删除 <i class="el-icon-remove-outline"></i></el-button>
              </el-popconfirm>
            </template>
          </el-table-column>
        </el-table>
        <div style="padding: 10px 0">
          <el-pagination
                  @size-change="handleSizeChange"
                  @current-change="handleCurrentChange"
                  :current-page="pageNum"
                  :page-sizes="[2, 5, 10, 20]"
                  :page-size="pageSize"
                  layout="total, sizes, prev, pager, next, jumper"
                  :total="total">
          </el-pagination>
        </div>
        <el-dialog title="用户信息" :visible.sync="dialogFormVisible" width="30%">
          <el-form label-width="80px" size="small">
            <el-form-item label="用户名">
              <el-input v-model="form.username" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="昵称">
              <el-input v-model="form.nickname" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="邮箱">
              <el-input v-model="form.email" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="电话">
              <el-input v-model="form.phone" autocomplete="off"></el-input>
            </el-form-item>
            <el-form-item label="地址">
              <el-input v-model="form.address" autocomplete="off"></el-input>
            </el-form-item>
          </el-form>
          <div slot="footer" class="dialog-footer">
            <el-button @click="dialogFormVisible = false">取 消</el-button>
            <el-button type="primary" @click="save">确 定</el-button>
          </div>
        </el-dialog>

      </el-main>
    </el-container>
  </el-container>

</template>

<script>
  // @ is an alias to /src
  import HelloWorld from '@/components/HelloWorld.vue'
  import request from "@/utils/request";

  export default {
    name: 'Home',
    data() {
      return {
        tableData: [],
        total: 0,
        pageNum: 1,
        pageSize: 2,
        username: "",
        email: "",
        address: "",
        form: {},
        dialogFormVisible: false,
        multipleSelection: [],
        collapseBtnClass: 'el-icon-s-fold',
        isCollapse: false,
        sideWidth: 200,
        logoTextShow: true
      }
    },
    created() {
      // 请求分页查询数据
      this.load()
    },
    methods: {
      collapse() { // 点击收缩按钮触发
        this.isCollapse = !this.isCollapse
        if (this.isCollapse) {
          this.sideWidth = 64
          this.collapseBtnClass = 'el-icon-s-unfold'
          this.logoTextShow = false
        } else {
          this.sideWidth = 200
          this.collapseBtnClass = 'el-icon-s-fold'
          this.logoTextShow = true
        }
      },
      load() {
        request.get("/user/page", {
          params: {
            pageNum: this.pageNum,
            pageSize: this.pageSize,
            username: this.username,
            email: this.email,
            address: this.address
          }
        }).then(res => {
          console.log(res)
          this.tableData = res.records
          this.total = res.total
        })
        // fetch("http://localhost:8081/user/page?pageNum=" + this.pageNum + "&pageSize=" + this.pageSize + "&username=" + this.username)
        //     .then(res => res.json()).then(res => {
        //   console.log(res)
        //   this.tableData = res.data
        //   this.total = res.total
        // })
      },
      save() {
        request.post("/user", this.form).then(res => {
          if (res) {
            this.$message.success("保存成功")
            this.dialogFormVisible = false
            this.load()
          } else {
            this.$message.error("保存失败")
          }
        })
      },
      handleAdd() {
        this.dialogFormVisible = true
        this.form = {}
      },
      handleEdit(row) {
        console.log(row)
        this.form = row
        this.dialogFormVisible = true
      },
      reset() {
        this.username = ""
        this.email = ""
        this.address = ""
        this.load()
      },
      del(id) {
        request.delete("/user/" + id).then(res => {
          if (res) {
            this.$message.success("删除成功")
            this.load()
          } else {
            this.$message.error("删除失败")
          }
        })
      },
      handleSelectionChange(val) {
        this.multipleSelection = val
      },
      delBatch() {
        let ids = this.multipleSelection.map(v => v.id)  // [{}, {}, {}] => [1, 2, 3]
        request.post("/user/del/batch", ids).then(res => {
          if (res) {
            this.$message.success("批量删除成功")
            this.load()
          } else {
            this.$message.error("批量删除失败")
          }
        })
      },
      handleSizeChange(pageSize) {
        this.pageSize = pageSize
        this.load()
      },
      handleCurrentChange(pageNum) {
        this.pageNum = pageNum
        this.load()
      }
    }

  }
</script>

<style>
  .headerBg {
    background-color: #eee !important;
  }
</style>